Home / 22,918.55-31,626.45-13,486.50

Finding the Fourth Proportional to 22,918.55, 31,626.45 and 13,486.50

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Solution

The fourth proportional to 22,918.55, 31,626.45 and 13,486.50 is: 18,610.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.55 : 31,626.45 = 13,486.50 : x
  2. Step 2: Convert to fraction form
    22,918.55/31,626.45 = 13,486.50/x
  3. Step 3: Cross multiply
    22,918.55x = 31,626.45 × 13,486.50
  4. Step 4: Simplify right side
    22,918.55x = 426,530,117.93
  5. Step 5: Solve for x
    x = 426,530,117.93/22,918.55
  6. Step 6: Final answer
    x = 18,610.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.